/*
 * Copyright (c) 2013 - Adjacent Link LLC, Bridgewater, New Jersey
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in
 *   the documentation and/or other materials provided with the
 *   distribution.
 * * Neither the name of Adjacent Link LLC nor the names of its
 *   contributors may be used to endorse or promote products derived
 *   from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * POSSIBILITY OF SUCH DAMAGE.
 */

template<typename Key,typename Counter>
EMANE::Utils::StatisticHistogramTable<Key,Counter>::StatisticHistogramTable(StatisticRegistrar & registrar,
                                                                            const std::string & sTableName,
                                                                            const StatisticTableLabels & labels,
                                                                            const std::string & sDescription)
{
  pStatisticTable_ = registrar.registerTable<Key>(sTableName,
                                                  labels,[this](StatisticTablePublisher * pTable)
                                                  {
                                                    std::lock_guard<std::mutex> m(mutex_);
                                                    umap_.clear();
                                                    pTable->clear();
                                                  },
                                                  sDescription);
}


template<typename Key,typename Counter>
void EMANE::Utils::StatisticHistogramTable<Key,Counter>::increment(const Key & key, Counter amount)
{
  std::lock_guard<std::mutex> m(mutex_);
  
  auto iter = umap_.find(key);
  
  if(iter != umap_.end())
    {
      iter->second += amount;
      pStatisticTable_->setCell(key,1,Any{iter->second});
    }
  else
    {
      umap_.insert(std::make_pair(key,amount));
      pStatisticTable_->addRow(key,{Any{key},Any{amount}});
    }
}
